Home / 186,680.63-280,049.03-60,278.51

Finding the Fourth Proportional to 186,680.63, 280,049.03 and 60,278.51

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Solution

The fourth proportional to 186,680.63, 280,049.03 and 60,278.51 is: 90,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,680.63 : 280,049.03 = 60,278.51 : x
  2. Step 2: Convert to fraction form
    186,680.63/280,049.03 = 60,278.51/x
  3. Step 3: Cross multiply
    186,680.63x = 280,049.03 × 60,278.51
  4. Step 4: Simplify right side
    186,680.63x = 16,880,936,553.71
  5. Step 5: Solve for x
    x = 16,880,936,553.71/186,680.63
  6. Step 6: Final answer
    x = 90,426.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.